package lesson3;

public class Demo_301 {
    public static void main(String[] args) throws InterruptedException {
        Counter301 counter = new Counter301();

        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                counter.increase();
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                counter.increase();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(counter.count);
    }
}

class Counter301{
    public  int count = 0;
    public  void increase(){
        count++;
    }
}
